. even her new beau. but this fashion do may pose some troubling health don'ts. those tight pants can squeeze more than your silhouette. pinching the nerves in your hip. >> it's a sore that occurs when one of the nerves that runs in the outer part of the thigh gets compressed. and pressure on it causes symptoms of tingling, numbness and pain. >> reporter: other possible health hazards, abdominal pain, heartburn, even blood clots. but fashionistas were willing to take the risk. circulation problems, potential health risks stop you from wearing this trend? >> no. it looks too good. >> reporter: if you're going to sport the skinny, doctors say go stretchy and give your room a little room to breathe. and ditch the heels. they only increase circulation problems. >> because the pelvis tilts some, it can further accentuate the pressure that's caused. >> reporter: and the tight tend continues to squeeze society one leg at a time. ♪ everyone i got my tight pants got my tight pants on ♪ >> reporter: just remember to wear them responsibly. >> that video is something, right? all jokes aside.